One vertex per element, one color per generator, with an edge from x to x·s.
(9,10,14,12)(11,16,13,15)(17,18,24,27)(19,28,22,25)(20,23,21,26)(29,30,31,32)(1,2,5,7)(3,4,8,6)(17,19,24,22)(18,25,27,28)(20,31,21,29)(23,30,26,32)(1,3,5,8)(2,6,7,4)(9,11,14,13)(10,15,12,16)(17,20,24,21)(18,26,27,23)(19,29,22,31)(25,30,28,32)(1,3,5,8)(2,6,7,4)(9,11,14,13)(10,16,12,15)(17,21,24,20)(18,23,27,26)(19,29,22,31)(25,30,28,32)(1,3)(2,4)(5,8)(6,7)(9,12,14,10)(11,16,13,15)(17,22,24,19)(18,25,27,28)(20,31,21,29)(23,32,26,30)(1,4)(2,3)(5,6)(7,8)(9,13,14,11)(10,16,12,15)(17,23)(18,20)(19,30)(21,27)(22,32)(24,26)(25,31)(28,29)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.